diff --git a/config/ncs/overlay-ot-cli-1_4.conf b/config/ncs/overlay-ot-cli-1_4.conf
new file mode 100644
index 0000000..77b9dcc
--- /dev/null
+++ b/config/ncs/overlay-ot-cli-1_4.conf
@@ -0,0 +1,44 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+# Enable reference device
+CONFIG_OPENTHREAD_REFERENCE_DEVICE=y
+
+# Enable OpenThread features set for Thread 1.4
+CONFIG_OPENTHREAD_THREAD_VERSION_1_4=y
+CONFIG_OPENTHREAD_NORDIC_LIBRARY_MASTER=y
+
+# Disable most of the logging
+CONFIG_LOG_MODE_DEFERRED=y
+CONFIG_BOOT_BANNER=n
+CONFIG_LOG=y
+CONFIG_NET_LOG=n
+CONFIG_NET_STATISTICS=n
+CONFIG_OPENTHREAD_DEBUG=n
+CONFIG_OPENTHREAD_L2_DEBUG=y
+
+# Shell configuration for harness
+CONFIG_SHELL_PROMPT_UART=""
+CONFIG_SHELL_VT100_COLORS=n
+CONFIG_SHELL_BACKEND_SERIAL_TX_RING_BUFFER_SIZE=1024
+CONFIG_SHELL_BACKEND_SERIAL_RX_RING_BUFFER_SIZE=1024
+CONFIG_SHELL_DEFAULT_TERMINAL_WIDTH=640
+CONFIG_SHELL_CMD_BUFF_SIZE=640
+CONFIG_OPENTHREAD_CLI_MAX_LINE_LENGTH=640
+
+# Number of external addresses
+CONFIG_OPENTHREAD_IP6_MAX_EXT_MCAST_ADDRS=4
+
+# Increase stack
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2144
+
+# Set USB device PID
+CONFIG_USB_DEVICE_PID=0xCAFF
+
+# Configure Thread 1.2 features
+CONFIG_OPENTHREAD_CSL_AUTO_SYNC=n
+CONFIG_OPENTHREAD_MIN_RECEIVE_ON_AHEAD=104
+CONFIG_OPENTHREAD_MIN_RECEIVE_ON_AFTER=0
diff --git a/config/ncs/overlay-ot-rcp-1_4.conf b/config/ncs/overlay-ot-rcp-1_4.conf
new file mode 100644
index 0000000..514c439
--- /dev/null
+++ b/config/ncs/overlay-ot-rcp-1_4.conf
@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+# Enable reference device
+CONFIG_OPENTHREAD_REFERENCE_DEVICE=y
+
+# Enable OpenThread features set for Thread 1.4
+CONFIG_OPENTHREAD_THREAD_VERSION_1_4=y
+CONFIG_OPENTHREAD_NORDIC_LIBRARY_MASTER=y
+
+# Enable RCP coprocessor
+CONFIG_OPENTHREAD_COPROCESSOR_RCP=y
+
+# Set USB device PID
+CONFIG_USB_DEVICE_PID=0xCAFF
+
+# Configure logging
+CONFIG_LOG=y
+CONFIG_LOG_BACKEND_SPINEL=y
+CONFIG_LOG_BACKEND_UART=n
+
+# Configure Thread 1.2 features
+CONFIG_OPENTHREAD_CSL_AUTO_SYNC=n
+CONFIG_OPENTHREAD_MIN_RECEIVE_ON_AHEAD=104
+CONFIG_OPENTHREAD_MIN_RECEIVE_ON_AFTER=0
diff --git a/config/ncs/sdk-nrf-commit b/config/ncs/sdk-nrf-commit
index d94b60d..6930d1b 100644
--- a/config/ncs/sdk-nrf-commit
+++ b/config/ncs/sdk-nrf-commit
@@ -1 +1 @@
-52623f18f0b0da420195cc93c3002b283d7d260b
+3203d1319278a4b8abd02e53043b6487ec8f7bc5
diff --git a/script/make-firmware.bash b/script/make-firmware.bash
index c3e8d38..c3ddc3e 100755
--- a/script/make-firmware.bash
+++ b/script/make-firmware.bash
@@ -341,6 +341,8 @@ package_ncs()
     distribute "/tmp/ncs_rcp_1_2/coprocessor/zephyr/zephyr.hex" "ot-rcp" "1.2" "${timestamp}" "${commit_id}"
     distribute "/tmp/ncs_cli_1_3/cli/zephyr/zephyr.hex" "ot-cli-ftd" "1.3" "${timestamp}" "${commit_id}"
     distribute "/tmp/ncs_rcp_1_3/coprocessor/zephyr/zephyr.hex" "ot-rcp" "1.3" "${timestamp}" "${commit_id}"
+    distribute "/tmp/ncs_cli_1_4/cli/zephyr/zephyr.hex" "ot-cli-ftd" "1.3" "${timestamp}" "${commit_id}"
+    distribute "/tmp/ncs_rcp_1_4/coprocessor/zephyr/zephyr.hex" "ot-rcp" "1.3" "${timestamp}" "${commit_id}"
 }
 
 build_ncs()
@@ -354,8 +356,10 @@ build_ncs()
     local rcp_1_2=("/tmp/ncs_rcp_1_2" "samples/openthread/coprocessor/" "${script_dir}/../config/ncs/overlay-rcp-1_2.conf")
     local cli_1_3=("/tmp/ncs_cli_1_3" "samples/openthread/cli/" "${script_dir}/../config/ncs/overlay-cli-1_3.conf")
     local rcp_1_3=("/tmp/ncs_rcp_1_3" "samples/openthread/coprocessor/" "${script_dir}/../config/ncs/overlay-rcp-1_3.conf")
+    local cli_1_4=("/tmp/ncs_cli_1_3" "samples/openthread/cli/" "${script_dir}/../config/ncs/overlay-cli-1_4.conf")
+    local rcp_1_4=("/tmp/ncs_rcp_1_3" "samples/openthread/coprocessor/" "${script_dir}/../config/ncs/overlay-rcp-1_4.conf")
 
-    local variants=(cli_1_1[@] cli_1_2[@] rcp_1_2[@] cli_1_3[@] rcp_1_3[@])
+    local variants=(cli_1_1[@] cli_1_2[@] rcp_1_2[@] cli_1_3[@] rcp_1_3[@] cli_1_4[@] rcp_1_4[@])
 
     cd nrf
     for variant in "${variants[@]}"; do